* {
    margin: 0;
    padding: 0;
    list-style-type: none;
    box-sizing: border-box;
}

.van-nav-bar {
    background-color: #3196fa;
    .van-nav-bar__title {
      color: #fff;
    }
    .van-icon-arrow-left {
      color: #fff;
    }
  }